1983 Sea of Japan earthquake
type: Thing
description: 1983 earthquake and tsunami centered off the coast of Akita Prefecture, Japan
additional property: PropertyValue
  property ID: P17
  value: Japan
additional property: PropertyValue
  property ID: P18
  value: 日本海中部地震(3).jpg
additional property: PropertyValue
  property ID: P31
  value: earthquake
additional property: PropertyValue
  property ID: P242
  value: 1983 Sea of Japan earthquake.jpg
additional property: PropertyValue
  property ID: P276
  value: Sea of Japan
additional property: PropertyValue
  property ID: P349
  value: 01087475
additional property: PropertyValue
  property ID: P373
  value: 1983 Sea of Japan earthquake
additional property: PropertyValue
  property ID: P585
  value: May 26, 1983
additional property: PropertyValue
  property ID: P646
  value: /m/0k0p5r6
additional property: PropertyValue
  property ID: P1120
  value: +104
additional property: PropertyValue
  property ID: P1120
  value: +1
additional property: PropertyValue
  property ID: P1339
  value: +104
additional property: PropertyValue
  property ID: P1446
  value: +2
additional property: PropertyValue
  property ID: P3196
  value: usp0001vmy
additional property: PropertyValue
  property ID: P5092
  value: 577008
additional property: PropertyValue
  property ID: P5182
  value: 119535
additional property: PropertyValue
  property ID: P5386
  value: shindo 5
additional property: PropertyValue
  property ID: P6900
  value: 日本海中部地震
confidence:
  popularity graph score:
    score: 0.008
    score pct: 1
    tier: long_tail
    components:
      sitelinks: 10
      sitelinks norm: 0.024
      unique citations: 0
      unique citations norm: 0.0
      monthly pageviews: 139
      monthly pageviews norm: 0.0
  sitelinks: 10
  unique citations: 0
  monthly pageviews: 139
  yearly pageviews: 514
  pageview trend:
    m: 2026-07
    v: 139
  pageview trend:
    m: 2026-06
    v: 49
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 14
  pageview trend:
    m: 2026-05
    v: 164
  pageview trend:
    m: 2026-05
    v: 14
  pageview trend:
    m: 2026-04
    v: 67
  pageview trend:
    m: 2026-04
    v: 63
  pageview trend:
    m: 2026-04
    v: 2
  popularity:
    sitelinks: 10
    max: 423
    pct: 2.4
  tier: long_tail
claims:
  P17:
    value: Q17
    source count: 0
    confidence: 0.0
    value label: Japan
  P18:
    value: 日本海中部地震(3).jpg
    source count: 0
    confidence: 0.0
  P31:
    value: Q7944
    source count: 1
    confidence: 0.2
    value label: earthquake
  P242:
    value: 1983 Sea of Japan earthquake.jpg
    source count: 0
    confidence: 0.0
  P276:
    value: Q27092
    source count: 0
    confidence: 0.0
    value label: Sea of Japan
  P349:
    value: 01087475
    source count: 0
    confidence: 0.0
  P373:
    value: 1983 Sea of Japan earthquake
    source count: 0
    confidence: 0.0
  P585:
    value: +1983-05-26T00:00:00Z
    source count: 1
    confidence: 0.2
  P625:
    value:
      lat: 40.462
      lon: 139.102
    source count: 1
    confidence: 0.2
  P646:
    value: /m/0k0p5r6
    source count: 0
    confidence: 0.0
  P1120:
    value:
      amount: +104
    source count: 1
    confidence: 0.2
  P1120:
    value:
      amount: +1
    source count: 1
    confidence: 0.2
  P1339:
    value:
      amount: +104
    source count: 1
    confidence: 0.2
  P1446:
    value:
      amount: +2
    source count: 1
    confidence: 0.2
  P3196:
    value: usp0001vmy
    source count: 1
    confidence: 0.2
  P5092:
    value: 577008
    source count: 1
    confidence: 0.2
  P5182:
    value: 119535
    source count: 0
    confidence: 0.0
  P5386:
    value: Q55085388
    source count: 0
    confidence: 0.0
    value label: shindo 5
  P6900:
    value: 日本海中部地震
    source count: 0
    confidence: 0.0
meta:
  wikidata id: Q4581198
  domain: earthquake
  level: standard
  html url: https://4ort.xyz/entity/1983-sea-of-japan-earthquake
  markdown url: https://4ort.xyz/entity/1983-sea-of-japan-earthquake.md
  facts url summary: https://4ort.xyz/entity/1983-sea-of-japan-earthquake/facts.json
  facts url standard: https://4ort.xyz/entity/1983-sea-of-japan-earthquake/facts.json
  facts url full: https://4ort.xyz/entity/1983-sea-of-japan-earthquake/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-02T02:53:10.596675Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-04-10T23:16:53.285198+00:00Z